package com.dong.singletonMode;

/**
 * @author DongJiaQi
 * @create 2022/12/20 16:31
 * @Description: 懒汉模式(线程不安全)
 */
public class Singleton_01 {
    private static Singleton_01 instance;
    private Singleton_01() {
    }
    public static Singleton_01 getInstance(){
        if (null != instance) return instance;
        instance = new Singleton_01();
        return instance;
    }
}
